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Class Information
Number: 423/632
Name: Chemistry of inorganic compounds > Oxygen or compound thereof > Metal containing > Iron
Description: Products or processes wherein the metal is iron.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618609 |
Method to prepare defective metal oxides with increased specific capacity |
Nov. 17, 2009 |
| 7597873 |
Process and apparatus for the recovery of metal oxide particles |
Oct. 6, 2009 |
| 7566436 |
Counter current mixing reactor |
Jul. 28, 2009 |
| 7553474 |
Method for producing metal oxide sol |
Jun. 30, 2009 |
| 7550297 |
Synthetic iron oxides and their use as an indicator of reduction in soils (IRIS) |
Jun. 23, 2009 |
| 7547431 |
High purity nanoscale metal oxide powders and methods to produce such powders |
Jun. 16, 2009 |
| 7504082 |
Magnetic nanoparticles comprising Gadolinium and method of fabrication |
Mar. 17, 2009 |
| 7488464 |
Metal oxide processing methods and systems |
Feb. 10, 2009 |
| 7482382 |
Process for preparing nano-sized metal oxide particles |
Jan. 27, 2009 |
| 7442362 |
Method for preparing iron oxides |
Oct. 28, 2008 |
| 7438882 |
Gel and powder making |
Oct. 21, 2008 |
| 7425234 |
Iron oxide pigments |
Sep. 16, 2008 |
| 7410625 |
Process of making metal containing iron oxide and iron sulfide based nanoparticle materials |
Aug. 12, 2008 |
| 7407527 |
Synthesis of mono-disperse and highly crystalline nano-particles of metals, alloys, metal-oxides, and multi-metallic oxides without a size-selection process |
Aug. 5, 2008 |
| 7387671 |
Iron oxide pigments |
Jun. 17, 2008 |
| 7357910 |
Method for producing metal oxide nanoparticles |
Apr. 15, 2008 |
| 7347893 |
Iron oxide pigments from mill scale |
Mar. 25, 2008 |
| 7314569 |
Treatment of arsenic-contaminated water using akaganeite adsorption |
Jan. 1, 2008 |
| 7297321 |
Supermicroporous metal oxides |
Nov. 20, 2007 |
| 7294191 |
Pure-coloured, readily dispersible iron oxide red pigments with high grinding stability |
Nov. 13, 2007 |
| 7276224 |
Synthesis of nanoporous particles |
Oct. 2, 2007 |
| 7235117 |
Porous sulpha sponge iron compound, a process for preparing the same and a method for desulphurizing natural gas therewith |
Jun. 26, 2007 |
| 7235127 |
Reduction- and oxidation-stable iron oxide black pigments having high colour strength for colouring plastics and building materials, their preparation and their use |
Jun. 26, 2007 |
| 7235224 |
Process for preparing fine metal oxide particles |
Jun. 26, 2007 |
| 7226544 |
Magnetite particles |
Jun. 5, 2007 |
| 7223377 |
Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method |
May. 29, 2007 |
| 7217400 |
Preparation of iron compounds by hydrothermal conversion |
May. 15, 2007 |
| 7208134 |
Bioprocesses enhanced by magnetic nanoparticles |
Apr. 24, 2007 |
| 7195749 |
Chemical-pressure tailoring of low-field, room temperature magnetoresistance in (Ca, Sr, Ba) Fe.sub.0.5Mo.sub.0.5O.sub.3 |
Mar. 27, 2007 |
| 7186395 |
Iron oxides with a higher degree of refining |
Mar. 6, 2007 |
| 7182929 |
Nanostructured multi-component and doped oxide powders and method of making same |
Feb. 27, 2007 |
| 7144561 |
Method for the preparation of iron hydroxide, iron oxide hydrate or iron oxide from filter salts of dilute acid recovery |
Dec. 5, 2006 |
| 7122168 |
Shape anisotropic metal oxide nanoparticles and synthetic method thereof |
Oct. 17, 2006 |
| 7118728 |
Method and apparatus for making ferrite material products and products produced thereby |
Oct. 10, 2006 |
| 7118727 |
Method of making oxide particles |
Oct. 10, 2006 |
| 7105144 |
Method for producing ferrite hollow particles |
Sep. 12, 2006 |
| 7094301 |
Method of forming a joint |
Aug. 22, 2006 |
| 7087210 |
Single-step simple and economical process for the preparation of nanosized acicular magnetic iron oxide particles of maghemite phase |
Aug. 8, 2006 |
| 7081234 |
Process of making hydrophobic metal oxide nanoparticles |
Jul. 25, 2006 |
| 7011898 |
Method of joining ITM materials using a partially or fully-transient liquid phase |
Mar. 14, 2006 |
| 6984369 |
Process for making surfactant capped metal oxide nanocrystals, and products produced by the process |
Jan. 10, 2006 |
| 6962685 |
Synthesis of magnetite nanoparticles and the process of forming Fe-based nanomaterials |
Nov. 8, 2005 |
| 6908600 |
Method for obtaining pigments for ceramic and glass, and pigments obtained thereby |
Jun. 21, 2005 |
| 6863877 |
Iron oxides of reduced chloride content |
Mar. 8, 2005 |
| 6849196 |
Process for the preparation of magnetite particles and their use |
Feb. 1, 2005 |
| 6835500 |
Hydrated iron phosphate electrode materials for rechargeable lithium battery cell systems |
Dec. 28, 2004 |
| 6818052 |
Method for production of iron ioxide pigments |
Nov. 16, 2004 |
| 6811759 |
Method of producing iron oxide pellets |
Nov. 2, 2004 |
| 6800271 |
Process for the preparation of nanosized iron oxide by biomimetic route |
Oct. 5, 2004 |
| 6797240 |
Process and apparatus for the extraction and regeneration of acids from spent acids |
Sep. 28, 2004 |
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